PayPal DCC's all recurring payments unless you select otherwise in your account and offers to DCC as a default all payments made via PayPal on a merchant site.

It's not easy to find and you need to use the classic site to change it, not the flashier current Site.

Login to to your account

Select Profile

Select payments

In Payments, Select Manage upcoming Payments

Select Pre approved Payments

Select Set available funding sources

Next to each master card listed in your account - select conversion options

Then choose option 2 - bill me in currency listed on the trader's invoice.

Repeat for each card you have stored in PayPal.